Finding the Fourth Proportional to 71,400.42, 98,532.72 and 43,106.31

Step by Step Solution

1. Step 1: Write the proportion equation
   71,400.42 : 98,532.72 = 43,106.31 : x
2. Step 2: Convert to fraction form
   71,400.42/98,532.72 = 43,106.31/x
3. Step 3: Cross multiply
   71,400.42x = 98,532.72 × 43,106.31
4. Step 4: Simplify right side
   71,400.42x = 4,247,381,973.46
5. Step 5: Solve for x
   x = 4,247,381,973.46/71,400.42
6. Step 6: Final answer
   x = 59,486.79